Replace the "Clockspring" in the steering column.
When these fail ,the air bag light comes on,horn and cruise will become inoperative.
Note: The steering wheel needs to be removed for access and the air bag module needs to be removed.CAUTION: serious injury can occur if not done properly.
The air bag system needs to be disabled first before attempting this repair.
Suggest you read up on this first or take it to a qualified / trained techinican.
Note: Earlier year Chryslers had a recall on this part.
Not sure on this year,check with your local dealer first.
Let us know the outcome